Export some unix-specific content symbols

content/common/pepper_messages.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, no traditional include guard
+#include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/private/ppb_flash_net_connector.h"
 #include "ppapi/proxy/ppapi_param_traits.h"
 
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START PepperMsgStart
 
 // Pepper (non-file-system) messages sent from the browser to the renderer.
 
 // The response to PepperMsg_ConnectTcp(Address).
 IPC_MESSAGE_ROUTED4(PepperMsg_ConnectTcpACK,
                     int /* request_id */,
                     IPC::PlatformFileForTransit /* socket */,
                     PP_Flash_NetAddress /* local_addr */,
                     PP_Flash_NetAddress /* remote_addr */)
 
 // Pepper (non-file-system) messages sent from the renderer to the browser.
 
 IPC_MESSAGE_CONTROL4(PepperMsg_ConnectTcp,
                      int /* routing_id */,
                      int /* request_id */,
                      std::string /* host */,
                      uint16 /* port */)
 
 IPC_MESSAGE_CONTROL3(PepperMsg_ConnectTcpAddress,
                      int /* routing_id */,
                      int /* request_id */,
                      PP_Flash_NetAddress /* addr */)
 
 IPC_SYNC_MESSAGE_CONTROL1_1(PepperMsg_GetLocalTimeZoneOffset,
                             base::Time /* t */,
                             double /* result */)